Dr. Carl R. Hartsfield

Director, Center for Space Research & Assurance; Associate Professor of Aerospace Engineering

• Bio Home
• Publications
• Work History
  Other Experience Professional Memberships
• Research
  Research Interests Expertise
• Teaching Interests
  PhD Dissertations Advised MS Thesis Advised Courses
• Presentations
  Conferences (organized)

Dr. Hartsfield is a former faculty member of The Ohio State University, former space sensor payload program manager, and retired USAF Lt Col. His research interests include space and rocket propulsion and optimal design of spacecraft, including integration and testing of spacecraft. Dr. Hartsfield’s research focuses on experimental evaluation and diagnostics for space propulsion, analytic evaluation of spacecraft design, and applications of additive manufacturing for optimal spacecraft structures. He served as an invited space propulsion session co-chair at a 2011 NASA GRC HBCUOMI Outreach Symposium, as a session chair at the 2011 and 2012 Dayton/Cincinnati Aerospace Sciences Symposia, as deputy chair for the technical program and session chair at the 2016 Dayton/Cincinnati Aerospace Sciences Symposium (DCASS), as chair of technical program and session chair at the 2017 DCASS and as chair of the executive committee for the 2018 DCASS. Dr. Hartsfield is a member of the AIAA Small Satellites Technical Committee, and chair of the Small Satellites Education and Outreach subcommittee. Dr. Hartsfield is a member of AIAA, ASCE, and Sigma Gamma Tau.

Education

PhD, Astronautical Engineering, Naval Postgraduate School, Monterey CA, 2006

MS, Aeronautical Engineering, Air Force Institute of Technology, WPAFB OH, 2001

Bachelor of Aerospace Engineering, Georgia Institute of Technology, Atlanta GA, 1991

Awards

• 2022-2023 Air Force Institute of Technology Graduate School of Engineering and Management Dean's Distinguished Teaching Professor for the Department of Aeronautics and Astronautics.
• 2019 Air Force Institute of Technology Civilian Employee of the Year, Category IV--non-supervisory
• 2018 American Institute of Aeronautics and Astronautics Special Service Citation
• 2017 Southwest Ohio Council on Higher Education Faculty Excellence in Teaching Award

Publications

Journal Articles: (* denotes students or interns)

1. Petrocelli, A. M.*, Bettinger, R A., Kutz, N. C.*, Hartsfield, C. R., “Atlas of Historical and Proposed Nuclear Devices and Power Systems in the Earth-Moon System and Wider Solar System,” Progress in Nuclear Energy, Vol. 164, 2023, pp. 1-19. (https://doi.org/10.1016/j.pnucene.2023.104857)
2. Eckley, C.C., R.X. Kinkade*, B.M. Sexton, T.E. Shelton, C. Schubert-Kabban, C.R. Hartsfield, J.S. Brewer, R.A. Kemnitz, “Evaluating Molybdenum-Rhenium Alloys Through Additive Manufacturing,” Journal Of Materials, Vol 75, No. 6, 2023. DOI: (10.1007/s11837-023-05813-7
3. Shelton, T, G. Cobb, C. Hartsfield, B. Doane, C. Eckley, R. Kemnitz, 2021, “The Impact of Laser Control on the Porosity and Microstructure of Selective Laser Melted Nickel Superalloy 718,” Results in Materials. Volume 11, Sept 2021. DOI: (10.1016/j.rinma.2021.100211
4. Eckley, C.C., Kemnitz, R.A., Fassio*, C.P., Hartsfield, C.R., Leonhardt, T.A., 2021, “Selective Laser Melting of Tungsten-Rhenium Alloys,” Journal of Materials. DOI: (10.1007/s11837-021-04776-x
5. Hartsfield, C.R., Shelton, T.E., Cobb, G.R., Kemntiz, R.A., Weber, J., 2021, “Understanding Flow Characteristics in Metal Additive Manufacturing,” ASCE Journal of Aerospace Engineering, Accepted 4 May 2021, DOI:  (10.1061/(ASCE)AS.1943-5525.0001325) (Journal of Aerospace Engineering Best Paper of 2021 Award Winner)
6. Tommila, C.*, C. Hartsfield, J. Redmond*, J. Komives, T. Shelton, 2021, “Performance Impacts of Metal Additive Manufacturing of Very Small Nozzles,” ASCE Journal of Aerospace Engineering, Vol. 34, No. 2. DOI: (10.1061/(ASCE)AS.1943-5525.0001229)
7. Crouch, S*., Hartsfield, C., 2020, “Triggered Lightning Threat Prediction Based on Launch Vehicle Parameters,” Journal of Defense Research and Engineering, Volume 3, Issue 2, pp 39-50. (FOUO) (DTIC Accession number for issue: AD1101059)
8. Wilson, P.*, Hartsfield, C., 2020, “Effects of Discontinuities on Single and Multi-Wire Solid Propellant Grains,” Journal of Defense Research and Engineering, Volume 3, Issue 2, pp 94-108. (FOUO) (DTIC Accession number for issue: AD1101059)
9. Anderson, W.*, Heister, S., Kan, B., Hartsfield, C., 2020, “Experimental Study of a Hypergolically Ignited Liquid Bipropellant Rotating Detonation Rocket Engine,” AIAA Journal of Propulsion and Power, Vol. 36, No. 6, DOI: https://doi.org/10.2514/1B37666
10. Hartsfield, C., Shelton, T., Palmer, B.*, O’Hara, R., 2020, “All Metallic Phase Change Thermal Management Systems for Transient Spacecraft Loads,” ASCE Journal of Aerospace Engineering, Volume 33, Issue 4. DOI: (10.1061/(ASCE)AS.1943-5525.0001150)
11. Doane, B., Truster, N., Cobb, G., Shelton, T., Kemnitz, R., Hartsfield, C., 2020, “Parameter development of selective laser melted nickel alloy 718 for thin-walled applications,” Journal of Defense Research and Engineering, Volume 3 Issue 1 (FOUO).
12. Shelton, T., Willburn, Z.*, Hartsfield, C., Cobb, G., Cerri, J.*, Kemnitz, R., 2019, “Effects of Thermal Process Parameters on Mechanical Interlayer Strength for Additively Manufactured Ultem 9085,” Journal of Polymer Testing, No 81.  DOI: (j.polymertesting.2019.106255)
13. Shelton, T., Stelzer, D.*, Hartsfield, C., O’Hara, R., 2019. “Understanding Surface Roughness of Additively Manufactured Nickel Superalloy for Space Applications”, Rapid Prototyping, Vol 26, No 3. DOI (10.1108/RPJ-02-2019-0049)
14. Kemnitz, R.*, Cobb, G., Singh, A., Hartsfield, C., 2019, “Characterization of simulated low earth orbit space environment effects on acid-spun carbon nanotube yarns”, Materials & Design, Vol 184. DOI: (j.matdes.2019.108178)
15. Doane, B., Liu, K.*, O’Hara, R., Hartsfield, C., 2018, “Case Study: Cooling Channels for material testing applications using Laser Powder Bed Fusion,” Metal Additive Manufacturing, Spring 2018, page 147-153.
16. Niederhauser, J.*, Hartsfield, C., Black, J., 2015, “Design and Characterization of a Space Based Imaging Experiment Computer Unit,” Journal of Aerospace Engineering, Volume 28, Issue 3. DOI: (ASCE)AS.1943-5525.0000362
17. Heffernen, K.*, Hartsfield, C., Reeder, M., Polanka, M., 2014, “Horizontally Issuing Diffusing Flames Characterized by OH-PLIF and Visualization” International Journal of Spray and Combustion Dynamics, Vol 6, Number 1, pg 35-65. DOI: (10.1260/1756-8277.6.1.35)
18. Hartsfield, C., Branam, R., Hall, J.*, Simmons, J.*, 2011, “Aerospike Rockets for Increased Space Launch Capability” Air and Space Power Journal, Summer 2011, pp 65-73. 

Conference Papers: (* denotes students or interns)

1. Sam T. Loeffler, Ryan M. Sargent, Rene D. Velazquez, Robert A. Bettinger, Carl R. Hartsfield, “Preliminary Analysis of Disposal Reachability for Selected Lagrange Points,” 62nd AIAA Aerospace Sciences Meeting. DOI: https://doi.org/10.2514/6.2024-1454
2. David J. Garcia, Robert A Bettinger, Carl Hartsfield, “Simulated Debris Impact Testing of Additively Manufactured Origami Mirror Structure for Space-based SSA,” 2023 Advanced Maui Optical and Space Surveillance Technologies Conference.
3. Hartsfield, C., T. Shelton, G. Cobb, 2021, Design of a High Reliability Compact CubeSat Propulsion System, 59^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2021-1977)
4. Cobb, G., T. Shelton, C. Hartsfield, R. Kemnitz, 2021, Effects of Carbon nanotube Filler on Mechanical and Electrical Properties of Fused Filament Fabricated Polyetherketoneketone, 59^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2021-0168)
5. Gallagher, W.*, T. Shelton, R. Kemnitz, C. Hartsfield, 2020, Accelerated Testing of Ultraviolet and Atomic Oxygen Effects on 3-D Printed Polyetherimide Plastic, 58^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2020-0929)
6. Winter, M., H. Koch*, R. Green*, C. Hartsfield, 2019, Direct Inertial Confinement Propulsion at Low Power Levels, 36^th International Electric Propulsion Conference.
7. Shelton, T., C. Hartsfield, G. Cobb, 2019, Additive Manufacturing: Designing to Withstand Space Launch, 57^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2019-0314)
8. Anderson, W.*, S. Heister, C. Hartsfield, 2019, Experimental Study of a Hypergolically Ignited Liquid Bipropellant Rotating Detonation Rocket Engine, 56^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2019-0474)
9. Wright, S.*, C. Hartsfield, 2018, Characterization and Analysis of Anomalous Diffusion Modes in a 600W Permanent Magnet Hall Thruster, 56^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2017-0169)
10. Sheets, B.*, C. Hartsfield, 2018, Pseudo Linear Hall Effect Thruster Characterization through Potential, Magnetic, and Optical Measurements, 56^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2018-2198)
11. McCrea, J.*, J. Cerri*, C. Hartsfield, 2018, Design of a Zero-Gravity, Vacuum-Based 3D Printer Robot for Use of In-Space Satellite Assembly, 56^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2018-2201)
12. Warren, M.*, R. Branam, C. Hartsfield, 2017, Examination of Halbach Permanent Magnet Arrays in Miniature Hall-Effect Thrusters, 53^rd AIAA/SAE/ASEE Joint Propulsion Conference. DOI: (10.2514/6.2017-4808)
13. Liu, K.*, D. Stelzer*, D. Liu, C. Hartsfield, A. Williamson*, 2017, Continued Improvements on the Internal Convective Cooling System of a Notational Hypersonic Vehicle, 58^th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference (Jefferson Goblet for best student paper award). DOI: (10.2514/6.2017-1144)
14. Tommila, C.*, C. Hartsfield, 2017, Thrust Coefficient Losses in Additively Manufactured Low Thrust Nozzles, 55^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2017-0170)
15. Hyatt, N.*, C. Hartsfield, 2017, Hall Effect Thruster Characterization Through Potential, Magnetic, and Optical Measurements, 55^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2017-0169)
16. Wheeler, P.*, R. Cobb, C. Hartsfield, B. Prince, 2016, Satellite propulsion spectral signature detection and analysis through Hall effect thruster plume and atmospheric modeling, SPIE Optical Engineering + Applications. DOI: (10.1109/AERO.2017.7943963)
17. Liu, Y. J.*, D. Liu and C. Hartsfield, 2016, Performance Testing of Various Nozzle Designs for Water Electrolysis Thruster, 54^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2016-0954)
18. Muilenburg. C.*, D. Liu, C. Hartsfield, 2016, Empirical Determination of Performance Characteristics for a 1 cm Micro Radio Frequency Ion Propulsion System, 54^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2016-1944)
19. Cunningham, D.*, D. Liu, C. Hartsfield, C. Mullins, C. Farnell, J. Williams, W. Hargus, 2016, Synchronized Measurement of Plasma Characteristics in a Hall Effect Thruster, 54^th AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2016-1943)
20. Miller, S.*, T. Book, A. Morse, E. Swenson, R. Cobb, J. Black, C. Hartsfield, 2012, Structural Design and Analysis of a Novel Space Based Chromotomographic Spectrometer, 51^st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. DOI: (10.2514/6.2010-2935)
21. Feigenblatt, M.*, C. Hartsfield, 2012, Nitric Acid Formation in AF-M315E Decomposition During Ignition Conditions (FOUO), Joint Army Navy NASA Air Force (JANNAF) Joint Propulsion Meeting. DTIC Accession Number: ADB400358.
22. Hall, J.*, C. Hartsfield, J. Simmons, R. Branam, 2011, Optimized Dual-Expander Aerospike Nozzle Upper Stage Rocket Engine, 2011 AIAA Aerospace Sciences Meeting. DOI: (10.2514/6.2011-419)
23. Brophy, C., C. Hartsfield*, 2004, Sooting Characteristics of Toluene/Oxygen Mixtures for Signature Analysis (FOUO), JANNAF 28^th Exhaust Plume Technology Subcommittee and 10 SPIRITS User Group Joint Meeting. DTIC Accession Number CPIAC-2004-0216P
24. Hartsfield, C.*, P. King, M. Franke, 2001, Analysis of the Application of a Triggered Isomer Heat Exchanger as a Replacement for the Combustion Chamber in an Off-the-Shelf Turbojet, 37^th Heat Transfer and Fluid Mechanics Institute Proceedings.

Other publications:

• Reactive Shear Layer Mixing and Growth Rate Effects on Afterburning Properties for Axisymmetric Rocket Engine Plumes, PhD Dissertation, Naval Postgraduate School (2006)
• Analysis of the Application of a Triggered Isomer Heat Exchanger as a Replacement for the Combustion Chamber in an Off-the-Shelf Turbojet, MS Thesis, Air Force Institute of Technology (2001)